add minorloglabels options

archmoj · archmoj · commit f6565df8ee9d · 2025-07-14T22:00:13.000-04:00
diff --git a/src/plots/cartesian/axes.js b/src/plots/cartesian/axes.js
@@ -1918,7 +1918,12 @@ function formatLog(ax, out, hover, extraPrecision, hideexp) {
             }
         }
     } else if(dtChar0 === 'D') {
-        out.text = String(Math.round(Math.pow(10, Lib.mod(x, 1))));
+        out.text =
+            ax.minorloglabels === 'exponential' ? Math.pow(10, x).toExponential(0) :
+            ax.minorloglabels === 'scientific' ? Math.pow(10, x).toExponential(0).replace(/e\+?/, 'x10<sup>') :
+            ax.minorloglabels === 'metric' ? Lib.numberFormat('0.1s')(Math.pow(10, x)) :
+            /* ax.minorloglabels === 'small digits' */ String(Math.round(Math.pow(10, Lib.mod(x, 1))));
+
         out.fontSize *= 0.75;
     } else throw 'unrecognized dtick ' + String(dtick);
 
@@ -3770,7 +3775,7 @@ axes.drawLabels = function(gd, ax, opts) {
 
                     var sel;
                     if(e.K === ZERO_PATH.K) {
-                        var zerolineLayer = zerolineIsAbove ? mainPlotinfo.zerolinelayerAbove : mainPlotinfo.zerolinelayer; 
+                        var zerolineLayer = zerolineIsAbove ? mainPlotinfo.zerolinelayerAbove : mainPlotinfo.zerolinelayer;
                         sel = zerolineLayer.selectAll('.' + ax._id + 'zl');
                     } else if(e.K === MINORGRID_PATH.K) sel = mainPlotinfo.minorGridlayer.selectAll('.' + ax._id);
                     else if(e.K === GRID_PATH.K) sel = mainPlotinfo.gridlayer.selectAll('.' + ax._id);
diff --git a/src/plots/cartesian/layout_attributes.js b/src/plots/cartesian/layout_attributes.js
@@ -1136,6 +1136,20 @@ module.exports = {
         editType: 'ticks'
     },
 
+    minorloglabels: {
+        valType: 'enumerated',
+        values: ['small digits', 'exponential', 'scientific', 'metric'],
+        dflt: 'small digits',
+        editType: 'calc',
+        description: [
+            'Determines how minor log labels are displayed.',
+            'If *small digits*, small digits i.e. 2 or 5 are displayed.',
+            'If *exponential*, exponential notation is applied.',
+            'If *scientific*, scientific notation is applied.',
+            'If *metric*, SI-prefix with one significant digits are displayed.',
+        ].join(' ')
+    },
+
     layer: {
         valType: 'enumerated',
         values: ['above traces', 'below traces'],
diff --git a/src/plots/cartesian/tick_label_defaults.js b/src/plots/cartesian/tick_label_defaults.js
@@ -70,6 +70,10 @@ module.exports = function handleTickLabelDefaults(containerIn, containerOut, coe
                 coerce('separatethousands');
             }
         }
+
+        if(!options.noLoglabels && axType === 'log') {
+            coerce('minorloglabels');
+        }
     }
 };
 
diff --git a/src/plots/gl3d/layout/axis_defaults.js b/src/plots/gl3d/layout/axis_defaults.js
@@ -42,6 +42,7 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, options) {
                 data: options.data,
                 showGrid: true,
                 noAutotickangles: true,
+                noLoglabels: true,
                 noTicklabelindex: true,
                 noTickson: true,
                 noTicklabelmode: true,
diff --git a/src/plots/polar/layout_attributes.js b/src/plots/polar/layout_attributes.js
@@ -36,6 +36,7 @@ var axisTickAttrs = overrideAll({
     ticklabelstep: axesAttrs.ticklabelstep,
     showticklabels: axesAttrs.showticklabels,
     labelalias: axesAttrs.labelalias,
+    minorloglabels: axesAttrs.minorloglabels,
     showtickprefix: axesAttrs.showtickprefix,
     tickprefix: axesAttrs.tickprefix,
     showticksuffix: axesAttrs.showticksuffix,
diff --git a/test/image/baselines/zz-minorloglabels.png b/test/image/baselines/zz-minorloglabels.png
diff --git a/test/image/mocks/zz-minorloglabels.json b/test/image/mocks/zz-minorloglabels.json
@@ -0,0 +1,55 @@
+{
+    "data": [{
+        "name": "small digits",
+        "x": [0.001, 0.01, 0.1, 1, 10, 100, 1000],
+        "y": [0, 1, 2, 3, 4, 5, 6]
+    }, {
+        "name": "exponential",
+        "xaxis": "x2",
+        "yaxis": "y2",
+        "x": [0.001, 0.01, 0.1, 1, 10, 100, 1000],
+        "y": [0, 1, 2, 3, 4, 5, 6]
+    }, {
+        "name": "scientific",
+        "xaxis": "x3",
+        "yaxis": "y3",
+        "x": [0.001, 0.01, 0.1, 1, 10, 100, 1000],
+        "y": [0, 1, 2, 3, 4, 5, 6]
+    }, {
+        "name": "metric",
+        "xaxis": "x4",
+        "yaxis": "y4",
+        "x": [0.001, 0.01, 0.1, 1, 10, 100, 1000],
+        "y": [0, 1, 2, 3, 4, 5, 6]
+    }],
+    "layout": {
+        "grid": {
+            "rows": 4,
+            "columns": 1,
+            "xgap": 0.25,
+            "ygap": 0.25,
+            "pattern": "independent"
+        },
+        "xaxis": {
+            "type": "log",
+            "minorloglabels": "small digits"
+        },
+        "xaxis2": {
+            "type": "log",
+            "minorloglabels": "exponential"
+        },
+        "xaxis3": {
+            "type": "log",
+            "minorloglabels": "scientific"
+        },
+        "xaxis4": {
+            "type": "log",
+            "minorloglabels": "metric"
+        },
+        "title": {
+            "text": "options of minorloglabels"
+        },
+        "width": 1200,
+        "height": 800
+    }
+}
diff --git a/test/plot-schema.json b/test/plot-schema.json
@@ -5195,6 +5195,18 @@
       "min": 0,
       "valType": "number"
      },
+     "minorloglabels": {
+      "description": "Determines how minor log labels are displayed. If *small digits*, small digits i.e. 2 or 5 are displayed. If *exponential*, exponential notation is applied. If *scientific*, scientific notation is applied. If *metric*, SI-prefix with one significant digits are displayed.",
+      "dflt": "small digits",
+      "editType": "plot",
+      "valType": "enumerated",
+      "values": [
+       "small digits",
+       "exponential",
+       "scientific",
+       "metric"
+      ]
+     },
      "nticks": {
       "description": "Specifies the maximum number of ticks for the particular axis. The actual number of ticks will be chosen automatically to be less than or equal to `nticks`. Has an effect only if `tickmode` is set to *auto*.",
       "dflt": 0,
@@ -5892,6 +5904,18 @@
       "min": 0,
       "valType": "number"
      },
+     "minorloglabels": {
+      "description": "Determines how minor log labels are displayed. If *small digits*, small digits i.e. 2 or 5 are displayed. If *exponential*, exponential notation is applied. If *scientific*, scientific notation is applied. If *metric*, SI-prefix with one significant digits are displayed.",
+      "dflt": "small digits",
+      "editType": "plot",
+      "valType": "enumerated",
+      "values": [
+       "small digits",
+       "exponential",
+       "scientific",
+       "metric"
+      ]
+     },
      "nticks": {
       "description": "Specifies the maximum number of ticks for the particular axis. The actual number of ticks will be chosen automatically to be less than or equal to `nticks`. Has an effect only if `tickmode` is set to *auto*.",
       "dflt": 0,
@@ -13905,6 +13929,18 @@
       "valType": "number"
      }
     },
+    "minorloglabels": {
+     "description": "Determines how minor log labels are displayed. If *small digits*, small digits i.e. 2 or 5 are displayed. If *exponential*, exponential notation is applied. If *scientific*, scientific notation is applied. If *metric*, SI-prefix with one significant digits are displayed.",
+     "dflt": "small digits",
+     "editType": "calc",
+     "valType": "enumerated",
+     "values": [
+      "small digits",
+      "exponential",
+      "scientific",
+      "metric"
+     ]
+    },
     "mirror": {
      "description": "Determines if the axis lines or/and ticks are mirrored to the opposite side of the plotting area. If *true*, the axis lines are mirrored. If *ticks*, the axis lines and ticks are mirrored. If *false*, mirroring is disable. If *all*, axis lines are mirrored on all shared-axes subplots. If *allticks*, axis lines and ticks are mirrored on all shared-axes subplots.",
      "dflt": false,
@@ -15466,6 +15502,18 @@
       "valType": "number"
      }
     },
+    "minorloglabels": {
+     "description": "Determines how minor log labels are displayed. If *small digits*, small digits i.e. 2 or 5 are displayed. If *exponential*, exponential notation is applied. If *scientific*, scientific notation is applied. If *metric*, SI-prefix with one significant digits are displayed.",
+     "dflt": "small digits",
+     "editType": "calc",
+     "valType": "enumerated",
+     "values": [
+      "small digits",
+      "exponential",
+      "scientific",
+      "metric"
+     ]
+    },
     "mirror": {
      "description": "Determines if the axis lines or/and ticks are mirrored to the opposite side of the plotting area. If *true*, the axis lines are mirrored. If *ticks*, the axis lines and ticks are mirrored. If *false*, mirroring is disable. If *all*, axis lines are mirrored on all shared-axes subplots. If *allticks*, axis lines and ticks are mirrored on all shared-axes subplots.",
      "dflt": false,

Original file line number	Diff line number	Diff line change
`@@ -70,6 +70,10 @@ module.exports = function handleTickLabelDefaults(containerIn, containerOut, coe`
`70`	`70`	`coerce('separatethousands');`
`71`	`71`	`}`
`72`	`72`	`}`
	`73`	`+`
	`74`	`+ if(!options.noLoglabels && axType === 'log') {`
	`75`	`+ coerce('minorloglabels');`
	`76`	`+ }`
`73`	`77`	`}`
`74`	`78`	`};`
`75`	`79`